Lucy didn’t make my mistakes in the math exam. She is _______ than any other student.

    A. the most careful     B. more careless    C. more careful     D. much careful

She sings ________ than any other girl in her class．

1. A.
   the most beautiful
2. B.
   more beautiful
3. C.
   the most beautifully
4. D.
   more beautifully

Lucy didn’t make any mistakes in the math exam. She is _______ than any other student.